兑水 发表于 2009-9-10 20:13:58

ASTM A 1012-2002无缝铁索体奥氏体二联合金钢冷凝器和带整体...

A1012-02 Standard Specification for Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes With Integral Fins
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